<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>支付宝支付</title>
    <style>
        button{
            width: 300px;
            height: 200px;
            background-color:blue;
            color: azure;
        }
    </style>
</head>
<body>
    <button onclick="pay()">支付</button>

    <script>
        function pay(){
            window.location.href='http://172.168.113.103:3000/pay'
        }
    </script>
</body>
</html>